From: "Yong Wu (吴勇)" <Yong.Wu@mediatek.com>
To: "robin.murphy@arm.com" <robin.murphy@arm.com>,
"joro@8bytes.org" <joro@8bytes.org>,
"will@kernel.org" <will@kernel.org>,
"Chengci Xu (许承赐)" <Chengci.Xu@mediatek.com>,
"matthias.bgg@gmail.com" <matthias.bgg@gmail.com>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"krzysztof.kozlowski+dt@linaro.org"
<krzysztof.kozlowski+dt@linaro.org>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mediatek@lists.infradead.org"
<linux-mediatek@lists.infradead.org>,
"krzysztof.kozlowski@linaro.org" <krzysztof.kozlowski@linaro.org>,
Project_Global_Chrome_Upstream_Group
<Project_Global_Chrome_Upstream_Group@mediatek.com>,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH v4 1/4] dt-bindings: mediatek: mt8188: Add binding for MM & INFRA IOMMU
Date: Mon, 21 Nov 2022 05:17:08 +0000 [thread overview]
Message-ID: <0b5b1d9e302f70df2e6ea207a88e7483eabd469c.camel@mediatek.com> (raw)
In-Reply-To: <20221018064239.13391-2-chengci.xu@mediatek.com>
On Tue, 2022-10-18 at 14:42 +0800, Chengci.Xu wrote:
> Adds descriptions for mt8188 IOMMU which also use ARM Short-
> Descriptor
> translation table format.
>
> In mt8188, there are two smi-common HW and IOMMU, one is for
> vdo(video
> output), the other is for vpp(video processing pipe). They connects
> with different smi-larbs, then some setting(larbid_remap) is
> different.
> Differentiate them with the compatible string.
>
> Something like this:
>
> IOMMU(VDO) IOMMU(VPP)
> | |
> SMI_COMMON_VDO SMI_COMMON_VPP
> --------------- ----------------
> | | ... | | ...
> larb0 larb2 ... larb1 larb3 ...
>
> We also have an IOMMU that is for infra master like PCIe.
> And infra master don't have the larb and ports.
>
> Signed-off-by: Chengci.Xu <chengci.xu@mediatek.com>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
> .../bindings/iommu/mediatek,iommu.yaml | 12 +-
> .../memory/mediatek,mt8188-memory-port.h | 482
> ++++++++++++++++++
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
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next prev parent reply other threads:[~2022-11-21 5:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-18 6:42 [PATCH v4 0/4] MT8188 IOMMU SUPPORT Chengci.Xu
2022-10-18 6:42 ` [PATCH v4 1/4] dt-bindings: mediatek: mt8188: Add binding for MM & INFRA IOMMU Chengci.Xu
2022-11-21 5:17 ` Yong Wu (吴勇) [this message]
2022-10-18 6:42 ` [PATCH v4 2/4] iommu/mediatek: Adjust mtk_iommu_config flow Chengci.Xu
2022-11-21 5:17 ` Yong Wu (吴勇)
2022-11-21 6:37 ` Chengci Xu (许承赐)
2022-10-18 6:42 ` [PATCH v4 3/4] iommu/mediatek: Add enable IOMMU SMC command for INFRA master Chengci.Xu
2022-11-21 5:17 ` Yong Wu (吴勇)
2022-10-18 6:42 ` [PATCH v4 4/4] iommu/mediatek: Add MT8188 IOMMU Support Chengci.Xu
2022-11-21 5:17 ` Yong Wu (吴勇)
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